This demonstration/activity introduces students to the concept of limiting reagent in a chemical reaction. Too often, students think that one can produce more product by using larger quantities of reactants. This demonstration/activity is specifically designed to surprise students and to make them appreciate the concept of stoichiometric quantities.
Categories: Lab/Student Activity
Learning Goal: To make a simple motor and wind turbine that will produce an electric current when exposed to wind. read more
Categories: Teacher Demonstration
These three demos allow students to experience applications of knowledge of the digestive, respiratory, and circulatory systems by doing very short activities on themselves. They also allow the... read more